Card Range To Study

44 Cards in this Set

the process by which populations change over time in response to changes in the enviroment

POpulation

smallest ecologial levels in which evoultion can take place

The process by which modern organisms have decended from ancient organisms is called___________.

Evolution

True or False
Chalres Darwin contributed more to our understanding of evolution than everyone else.

True

Differences among indiviuduals of a species are referred to as

variation

fitness

the ability to reproduce and surive

adaption

any inherited characteristic that increases an organism's chance of surivial

natural selection

survival of the fittest

What does the pharse struggle for existence mean?

that members of each species complete reguardy to obtain food,living space, and other nessicaries of life.

Is the following sentence true or false Adaptations can be physical characteristics but not more complex features such as behavior

True

Explain what Darwin meant by the pharse surival of the fittest

That the weaker animals are not going to surrive as long or well as the stronger animals.

What is true of Natural Selection?
a.)It selects traits that increase fitness
b.)It takes place without human control
c.)It can be observed directly in nature
d.)It leads to an increase in a species' fitness.

a and b

The princle that living species descend, with changes, from other species over time is referred to as________.

descent with modificaon

The principle that all species derived from a common ancestor is know as_____.

common decent

True or False
Darwin argued that living things have been evolving on Earth for thousand of years.

True

Evolution

the process by which populations change over time in response to changes in the enviroment

POpulation

smallest ecologial levels in which evoultion can take place

The process by which modern organisms have decended from ancient organisms is called___________.

Evolution

True or False
Chalres Darwin contributed more to our understanding of evolution than everyone else.

True

Differences among indiviuduals of a species are referred to as

variation

fitness

the ability to reproduce and surive

adaption

any inherited characteristic that increases an organism's chance of surivial

natural selection

survival of the fittest

What does the pharse struggle for existence mean?

that members of each species complete reguardy to obtain food,living space, and other nessicaries of life.

Is the following sentence true or false Adaptations can be physical characteristics but not more complex features such as behavior

True

Explain what Darwin meant by the pharse surival of the fittest

That the weaker animals are not going to surrive as long or well as the stronger animals.

What is true of Natural Selection?
a.)It selects traits that increase fitness
b.)It takes place without human control
c.)It can be observed directly in nature
d.)It leads to an increase in a species' fitness.

a and b

The princle that living species descend, with changes, from other species over time is referred to as________.

descent with modificaon

The principle that all species derived from a common ancestor is know as_____.

common decent

True or False
Darwin argued that living things have been evolving on Earth for thousand of years.